these 3 derivations will be built:
  /nix/store/5skdrd14k55jr6s82sj11blyvs8niw09-source.drv
  /nix/store/vh2nz7mzff1bkw2an8j7znw1id672xh6-plannotator-0.27.20.drv
  /nix/store/r67iiia9rp3y625yfrqy22391b45gz6a-check-plannotator.drv